adv. 渐渐 gradually

n. 指物体所受重力的大小 weight

把植物的种子或幼苗埋在土里，让其生长

n. 主持会议的人 chairman, of a meeting; 国家、国家机关或党派团体的某级组织的最高领导 chairman, president, of an organization, institution, party or state

文艺作品中表现出来的中心思想

kidney, description, race, form, nature, manner, variety, feather, ordering, ilk, style, class, order, stamp, type, genus, category, stripe, kind, strain, cast, shape, denomination, species, persuasion, league, classification, breed, sort